I use the JumpSoles with the "Mario brothers" leaps and bounds, jumping off of benches/bleachers and squats. So far, I have noticed strengthening of the quads and calf muscles. Training twice a week with the jump soles has already noticed an improvement in my running- ran a mile around the track in just over three minutes!! My overgoal is to be able to run the Navy PRT 1.5 mile in under 10 minutes and slam dunk a basketball.

I use these for training for basketball as well as soccer. They've significantly increased the height of my "jump"in basketball and have strengthened my calves and ankles. Hopefully, that will help prevent injuries during the soccer season.